REVENUE RECOGNITION LONG-TERM CONTRACTS AND DEFERRED AND UNBILLED REVENUE REVENUE RECOGNITION LONG-TERM CONTRAACTS AND DEFERRED AND UNBILLED REVENUE (Tables)

12 Months Ended

Dec. 31, 2021

Revenue from Contract with Customer [Abstract]

Contract with Customer, Asset and Liability

The following is a summary of our unbilled and deferred revenue and related activity:

	Years ended December 31,
In millions	2021		2020
Unbilled revenue	$	100	$	114
Deferred revenue, primarily extended warranty	1,705		1,531